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large diameter

Application of a fuzzy Markov model to plan the renewal of large-diameter buried pipes: a case study

Application of a fuzzy Markov model to plan the renewal of large-diameter buried pipes: a case study

... Fair and Poor respectively. 2.3 Fuzzy Markov based deterioration model The deterioration of large-diameter transmission mains was modeled using a fuzzy rule-based, non- homogeneous Markov process [11]. This ...

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Remaining life and economics of inspection in large-diameter pipelines

Remaining life and economics of inspection in large-diameter pipelines

... Abstract A probabilistic approach is proposed, in which the economic life of a large-diameter buried pipe is expressed as a function of various factors, including the cost and efficiency of inspection. ...

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Management of failure risk in large-diameter buried pipes using fuzzy-based techniques

Management of failure risk in large-diameter buried pipes using fuzzy-based techniques

... of large-diameter water mains requires knowledge of their current condition, their rate of deterioration, the expected consequences of failure and the owner’s risk ...

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Practical aspects of acoustical leak location on plastic and large diameter pipe

Practical aspects of acoustical leak location on plastic and large diameter pipe

... The distance separation of the hydrants on which the measurements were performed in this case was 122 meters. Typically, this is the farthest distance at which a surface mounted transducer may be used in the correlation ...

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Electron transport through antidot superlattices in $Si/SiGe$ heterostructures: new magnetoresistance resonances in lattices with large diameter antidots.

Electron transport through antidot superlattices in $Si/SiGe$ heterostructures: new magnetoresistance resonances in lattices with large diameter antidots.

... ments the lattice was formed by large diameter antidots which seems to be crucial for the observation of the ad- ditional peaks. The single resonance observed in Ref. 9,11 was supposed to be due to a ...

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Fatigue failure of large-diameter cast iron mains

Fatigue failure of large-diameter cast iron mains

... Cast iron mai Anecdotes told by engin had a large diameter water main fail suddenly and visual examination of the fracture surfaces showed no signs of corrosion. There was no prior warning or a leak that ...

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Design of soft-body robot with wireless communication for leak detection in large diameter pipe systems

Design of soft-body robot with wireless communication for leak detection in large diameter pipe systems

... The robot is comprised of eight parts; The soft body, hard body armor and cap, membrane sensors, membrane mount, sensor arm and position encoder, and sensor hub.. Our device mu[r] ...

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Large-Diameter Single-Wall Carbon Nanotubes Formed Alongside Small-Diameter Double-Walled Carbon Nanotubes

Large-Diameter Single-Wall Carbon Nanotubes Formed Alongside Small-Diameter Double-Walled Carbon Nanotubes

... lower diameter than ...small diameter are preferred over SWCNTs for producing photoluminescent materials 3 and that functionalized DWCNTs are advantageous for CNT-based trans-membrane channels be- cause the ...

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2010 — Test rig and experimentation of packing seals used in large diameter deformed rotating drums

2010 — Test rig and experimentation of packing seals used in large diameter deformed rotating drums

... 0.2 General Statement of the Problem Within any industrial plant, dryers are huge energy consumers. Any increase in drying efficiency, such as by properly sealing the ends of a rotary dryer, can lead to significant ...

152

The growth of small diameter silicon nanowires to nanotrees

The growth of small diameter silicon nanowires to nanotrees

... under large diameter growth conditions (high temperature, low silane partial pressure) from 200 nm gold colloids to obtain 200 nm diameter ...in diameter for every kind of ...NWs ...

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A Bound for the Diameter of Random Hyperbolic Graphs

A Bound for the Diameter of Random Hyperbolic Graphs

... expected diameter of the giant component of a random hyperbolic graph G chosen according to G α,C (n) for 1 2 < α < ...a diameter of at most 3 exists (see [BFM]): consider a ball of sufficiently small ...

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Backbone colouring: Tree backbones with small diameter in planar graphs

Backbone colouring: Tree backbones with small diameter in planar graphs

... We will prove it by considering a minimum counterexample (G, T ) with respect to its number of vertices. An edge of E \ E(T ) is said to be thin. Free to add some more thin edges, we may assume that G is triangulated. If ...

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Backbone colouring: tree backbones with small diameter in planar graphs

Backbone colouring: tree backbones with small diameter in planar graphs

... In the next section, we outline the proof of Theorem 4 whose details are postponed to Section 3. 2 The proof We denote by Z 6 the set {1, 2, 3, 4, 5, 6} and, for any integer a ∈ Z 6 , we denote by [a] the set {a − 1, a, ...

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MAXIMIZATION OF THE STEKLOV EIGENVALUES WITH A DIAMETER CONSTRAINT

MAXIMIZATION OF THE STEKLOV EIGENVALUES WITH A DIAMETER CONSTRAINT

... Step 2. We also need a lower bound of the (lateral) perimeter of the region Ω 0 . To that purpose, we first perform a Steiner symmetrization Ω ∗ 0 of Ω 0 with respect to the direction of the choosen diameter. This ...

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Strengthening the Murty-Simon conjecture on diameter 2 critical graphs

Strengthening the Murty-Simon conjecture on diameter 2 critical graphs

... The authors of [1], unaware of F¨ uredi’s claim, focused their attention on the case of non-bipartite D2C graphs without a dominating edge (recall that this class includes all non-bipartite D2C triangle-free graphs). 2 ...

22

Fine root lifespan depending on their diameter and soil depth

Fine root lifespan depending on their diameter and soil depth

... • Fine root lifespan was longer with increasing root diameter and soil depth. Cardinael R, Mao Z, Prieto I, Stokes A, Dupraz C, Kim JH, Jourdan C (2015a) Competition with winter crops induces deeper rooting of ...

2

Optimal electrode diameter in relation to volume of the cochlea

Optimal electrode diameter in relation to volume of the cochlea

... array diameter, however the measures are based on 9 specimens ...maximum diameter for electrode-array is an approximation of the scala timpani volume which could be refined, especially in case of uncommon ...

7

Pre-hole diameter optimization in high speed drilling considering machining cost

Pre-hole diameter optimization in high speed drilling considering machining cost

... Pre-hole diameter optimization The results predicted using the developed model are listed in Table 8 ...22-mm diameter hole, the minimal machining cost is obtained when drilling a pre-hole of 1- mm ...

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A new exceptional polynomial for the integer transfinite diameter of $[0,1]$

A new exceptional polynomial for the integer transfinite diameter of $[0,1]$

... We consider, for 0 a b, the scalar product of two real continuous functions on the interval [a, b] defined by ( f , g)w = where p is a real positive function on the interval [a, b~. We note In the papers by Flammang, ...

16

Boiling heat transfer in mini-channels: influence of the hydraulic diameter

Boiling heat transfer in mini-channels: influence of the hydraulic diameter

... draulic diameter affects the heat transfer coefficient for a boiling flow in ...ulic diameter increased the heat transfer coefficient and favored dry-out, probably because of the thinning of the liquid ...

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